1-20 of 52 Search Results for

core rods

Sort by
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001536
EISBN: 978-1-62708-229-7
.... Analyses of four failed components from nuclear plants are then described to illustrate the kinds of failures seen in service. The failures discussed are (1) intergranular stress-corrosion cracking of core spray injection piping in a boiling water reactor, (2) failure of canopy seal welds in adapter tube...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001676
EISBN: 978-1-62708-229-7
...) emitter cable which is coiled around a (10.6-mm diameter) Zircaloy-2 carrier rod. The ends of the detectors are connected to thinner (1-mm diameter) lead cables which carry the signal to an amplifier outside of the reactor core. This ensures that most of the signal received at the amplifier...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0047835
EISBN: 978-1-62708-217-4
.... The hardness of the untempered martensite was 56 HRC, and the hardness of the tempered-martensite core was 40 HRC. The hardness of the rod (40 HRC) and the microstructure of the tempered martensite remote from the electro-etched area indicated that the material had been properly heat treated. Conclusions...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001192
EISBN: 978-1-62708-234-1
... bearing and ran across the jaw almost to the opposite fillet of the adjoining connecting rod bearing. The fillet was well rounded and smoothly machined. Thus, no reason for the fracture of the crankshaft could be found externally. No material defects were discernible in the origin or anywhere else...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001583
EISBN: 978-1-62708-217-4
... Abstract The purpose of this investigation was to determine the root cause of the differences noted in the fatigue test data of main rotor spindle assembly retaining rods fabricated from three different vendors, as part of a Second Source evaluation process. ARL performed dimensional...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001597
EISBN: 978-1-62708-236-5
... supplier machined the journals, induction hardened and tempered the journal surfaces, finish machined, and balanced the crankshaft. The end product was to have a core hardness of 241–285 BHN and a surface hardness of 47–52 HRC to 2–5 mm depth. External Examination When samples of the failed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001646
EISBN: 978-1-62708-219-8
... are comparatively more rigid than conventional wire ropes with fiber cores and therefore are more susceptible to the adverse effects of bending stresses. The reasons for premature in-service wire rope failures are rather complex but frequently may be attributed to inappropriate wire quality and/or abusive operating...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001766
EISBN: 978-1-62708-241-9
... the chemistry conformed to the limits of AISI 1045. Hardness testing and metallographic evaluation ( Fig. 7 ) revealed that the properties were consistent with bar stock in the normalized condition, as-specified. Fig. 7 Representative micrograph of the anchor rod microstructure Engineering Mechanics...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001778
EISBN: 978-1-62708-241-9
...) Introduction Steel wires, produced from controlled cooled or patented wire rods by single or multipass cold drawing, have many engineering applications including the manufacture of springs, needles, wire ropes, screws, and so forth. In rope manufacturing, steel wires are laid helically in different layers...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003507
EISBN: 978-1-62708-180-1
... a notch of unknown severity that acts as a stress raiser, which may adversely affect strength under load. Subsurface and core discontinuities may also occur. Subsurface flaws often (but not always) originate from the as-cast ingot due to shrinkage, voids, and porosity that form during solidification...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001762
EISBN: 978-1-62708-241-9
.... Figure 4 shows the matching journal half of the axle fracture. Figure 6 shows this same crack path in a glass rod fracture. Fig. 6 Fracture in a glass rod demonstrates a symmetrical compression chip Axle 1 failed with a point origin. This is shown in Fig. 7 . SEM microscopy revealed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c9001631
EISBN: 978-1-62708-222-8
... effects that would be encountered as a fisherman tugs on a fishing rod. Comparison of fishhook performances: Vendors A, B, and C Table 1 Comparison of fishhook performances: Vendors A, B, and C Exhibit 1 (a) Bad 3 Good 5 (a) Bad 6 Bad 7 Good 8 (a) Bad 9 Expectation Tensile...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001363
EISBN: 978-1-62708-215-0
... the pitch control thrust bearing set, head bolts, hub fork, and actuator rod end, were examined in more detail The thrust bearing set (52100 steel) was identified as the probable source of the uncommanded pitch angle change. A complete failure analysis of the bearing indicated that failure was precipitated...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001803
EISBN: 978-1-62708-241-9
... plates, and hollow spinal rods. Some of the failure mechanisms that were identified include corrosive attack, corrosion plus erosion-corrosion, inclusions and stress gaps, production impurities, design flaws, and manufacturing defects. Failure prevention and mitigation strategies are also discussed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001695
EISBN: 978-1-62708-229-7
... the Mark 22 assembly in the Vertical Tube Storage (VTS) section of K-reactor basin. The fuel rods are suspended underwater from 304-L stainless steel hangers. Note the nodules of aluminum oxide in scratches on the outer surface of the assemblies and around the aluminum/stainless steel interface. Fig...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006810
EISBN: 978-1-62708-329-4
... Abstract In addition to failures in shafts, this article discusses failures in connecting rods, which translate rotary motion to linear motion (and conversely), and in piston rods, which translate the action of fluid power to linear motion. It begins by discussing the origins of fracture. Next...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
... Abstract This article discusses failures in shafts such as connecting rods, which translate rotary motion to linear motion, and in piston rods, which translate the action of fluid power to linear motion. It describes the process of examining a failed shaft to guide the direction of failure...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003510
EISBN: 978-1-62708-180-1
... is not accompanied with microstructural transformation changes. Under these conditions, the surface of the component cooled much more quickly than the core at first, as illustrated in Fig. 10 ( Ref 9 ). At this point, the specific volume in the core is greater than that of the surface, and the reduction in volume...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006927
EISBN: 978-1-62708-395-9
... think about and visualize the part from a tooling perspective, to create the geometry that allows the cores and cavities to be as simple as possible. Another example is an application in which a medical product will be worn by a patient for an extended time. For this application, the design engineer...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006935
EISBN: 978-1-62708-395-9
... glass 40 −− 8.0 1.2 High Sandwich molding Glass in core 40 <10 mm (0.4 in.) is acceptable with development ++ 3.5 0.5 Low High Compression Very long glass 40 Glass orientation in ribs −− 5.0 0.7 Medium Slight Stamping None … Single thickness only but up to 70...